Detail

The W154 had a massive 88 gallon combined fuel capacity between its fore and aft mounted tanks. These tanks contained a highly toxic mixture of methyl alcohol, nitrobenzene, acetone, and sulfuric either needed to make the 480 hp the twin Roots supercharged engine was capable of. Average fuel consumption during a race was approx. 2.8 mpg. Checking the level of the highly combustible mixture was done through these windows as not to risk unnecessary exposure during race time